中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 杂交鳢(乌鳢♂×斑鳢♀)及其亲本对2种病原菌的抗感染能力比较 安徽农业科学 2011,39 (29) 17942-17943+17948
Position: Home > Articles > Comparison on Anti-infection of Hybrid Snakehead(Channa argus ♂× Channa maculate ♀) and Its Parents to Two Pathogenic Bacteria Journal of Anhui Agricultural Sciences 2011,39 (29) 17942-17943+17948

杂交鳢(乌鳢♂×斑鳢♀)及其亲本对2种病原菌的抗感染能力比较

作  者：
林启存;冯晓宇;蔡丽娟;许宝青;刘凯
单  位：
杭州市农业科学研究院
关键词：
杂交鳢;嗜水气单胞菌;诺卡氏菌;抗感染能力
摘  要：
[目的]分析评价杂交鳢及亲本对病原菌的抗病力水平。[方法]通过人工感染试验方法,开展了杂交鳢(乌鳢♂×斑鳢♀)及其亲本对两种病原菌的抗感染试验。[结果]以嗜水气单胞菌为试验菌株、菌液浓度9×108 cfu/ml(100、10-1、10-2、10-3 4个稀释度)、注射剂量0.5 ml时,3 d内杂交鳢LD50平均值介于乌鳢与斑鳢间,且差异均不显著;以诺卡氏菌为试验菌株、菌液浓度7×109 cfu/ml(100、10-1、10-2、10-3 4个稀释度)、注射剂量0.5 ml时,30 d内杂交鳢LD50平均值介于斑鳢与乌鳢间,且差异也均不显著。[结论]高浓度感染时,嗜水气单胞菌、诺卡氏菌对3种鳢鱼均有极强的致病性,108 cfu/ml菌液浓度时,3种鳢鱼死亡率达100%;不过低浓度感染时致死率明显减弱,且不同品种对病原菌的耐受力有些差异。
译  名：
Comparison on Anti-infection of Hybrid Snakehead(Channa argus ♂× Channa maculate ♀) and Its Parents to Two Pathogenic Bacteria
作  者：
LIN Qi-cun et al(Hangzhou Academy of Agricultural Science,Hangzhou,Zhejiang 310024)
关键词：
Hybrid snakehead;Aeromonas hydrophila;Nocardia seriolea;Anti-infection
摘  要：
[Objective ] The study aimed to analyze and evaluation the anti-infective level of to the pathogenic bacteria.[Method] The test of anti-infection to 2 pathogenic bacteria was conducted on the hybrid snakehead and its parents through the artificial infection test method.[Results]When Aeromonas hydrophila was the tested strain,the bacterium fluid was 9×108 cfu/ml in which there were 4 dilution grade of 100,10-1,10-2 and 10-3,the injection dosage was 0.5 ml/fish,the median lethal dose(LD50) on the hybrid snakehead was between C.argus and C.maculate,and no significant difference was found among the strains.When Nocardia seriolea was the tested strain,the bacterium fluid was 7×109 cfu/ml in which there were 4 dilution grade of 100,10-1,10-2 and 10-3,the injection dosage was 0.5 ml/fish,the median lethal dose(LD50) on hybrid snakehead was between C.maculate and C.argus,and no significant difference was found among the strains.[Conclusion] When the bacterium fluid was at high levels of infection,both A.hydrophila and Nocardia seriolea were highly pathogenic to 3 kinds of the snakehead fish.When the bacterium fluid was 108 cfu/ml,the mortality rate of the snakehead fish was 100%.When the fluid was at low level of infection,the mortality rate was significantly weakened.The different varieties had some different tolerance to the pathogenic bacteria.

相似文章

导出引用
计量
文章访问数: 21
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46